Home / 75,274.02-103,848.51-43,436.77

Finding the Fourth Proportional to 75,274.02, 103,848.51 and 43,436.77

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Solution

The fourth proportional to 75,274.02, 103,848.51 and 43,436.77 is: 59,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,274.02 : 103,848.51 = 43,436.77 : x
  2. Step 2: Convert to fraction form
    75,274.02/103,848.51 = 43,436.77/x
  3. Step 3: Cross multiply
    75,274.02x = 103,848.51 × 43,436.77
  4. Step 4: Simplify right side
    75,274.02x = 4,510,843,746.98
  5. Step 5: Solve for x
    x = 4,510,843,746.98/75,274.02
  6. Step 6: Final answer
    x = 59,925.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.